(Seymouria,((Limnoscelidae,Diadectidae),(Synapsida,((Mesosauridae,((Eunotosaurus,Millerettidae),(Australothyris_smithi,(((Eudibamus,Belebey),(Nyctiphruretus,(((Bradysaurus,(Pareiasuchus,Scutosaurus)),((Macroleter,Tokosaurus),(Bashkyroleter_bashkyricus,(Nycteroleter,(Bashkyroleter_mesensis,Emeroleter))))),(Procolophon,(Owenetta,Barasaurus))))),(Acleistorhinus,Lanthanosuchus))))),(Captorhinidae,(Paleothyris,(Araeoscelidia,Younginiformes)))))));